20321694

素因数分解:

$2^1\times 3^2\times {\mathrm{97}}^1\times {\mathrm{103}}^1\times {\mathrm{113}}^1$

素因数の和:321

約数の個数: 48

約数和(自身を含む): 45313632

約数和(自身を除く): 24991938

約数列:

[1, 2, 3, 6, 9, 18, 97, 103, 113, 194, 206, 226, 291, 309, 339, 582, 618, 678, 873, 927, 1017, 1746, 1854, 2034, 9991, 10961, 11639, 19982, 21922, 23278, 29973, 32883, 34917, 59946, 65766, 69834, 89919, 98649, 104751, 179838, 197298, 209502, 1128983, 2257966, 3386949, 6773898, 10160847, 20321694]

約数ペア:

[(1, 20321694), (2, 10160847), (3, 6773898), (6, 3386949), (9, 2257966), (18, 1128983), (97, 209502), (103, 197298), (113, 179838), (194, 104751), (206, 98649), (226, 89919), (291, 69834), (309, 65766), (339, 59946), (582, 34917), (618, 32883), (678, 29973), (873, 23278), (927, 21922), (1017, 19982), (1746, 11639), (1854, 10961), (2034, 9991)]